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use PortEngineSharedImpl with PulseAudio backend

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This commit is contained in:
Paul Davis 2020-04-02 17:57:39 -06:00
parent 04551c39f6
commit e5507f7072
2 changed files with 66 additions and 705 deletions
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611
libs/backends/pulseaudio/pulseaudio_backend.cc
View file

@ -47,6 +47,7 @@ const size_t PulseAudioBackend::_max_buffer_size = 8192;
PulseAudioBackend::PulseAudioBackend (AudioEngine& e, AudioBackendInfo& info) PulseAudioBackend::PulseAudioBackend (AudioEngine& e, AudioBackendInfo& info)
: AudioBackend (e, info) : AudioBackend (e, info)
, PortEngineSharedImpl (e, s_instance_name)
, p_stream (0) , p_stream (0)
, p_context (0) , p_context (0)
, p_mainloop (0) , p_mainloop (0)
@ -590,12 +591,7 @@ PulseAudioBackend::_start (bool /*for_latency_measurement*/)
return BackendReinitializationError; return BackendReinitializationError;
} }
if (_ports.size () || _portmap.size ()) { clear_ports ();
PBD::warning << _("PulseAudioBackend: recovering from unclean shutdown, port registry is not empty.") << endmsg;
_system_outputs.clear ();
_ports.clear ();
_portmap.clear ();
}
/* reset internal state */ /* reset internal state */
_dsp_load = 0; _dsp_load = 0;
@ -824,194 +820,6 @@ PulseAudioBackend::my_name () const
return _instance_name; return _instance_name;
} }
uint32_t
PulseAudioBackend::port_name_size () const
{
return 256;
}
int
PulseAudioBackend::set_port_name (PortEngine::PortHandle port, const std::string& name)
{
std::string newname (_instance_name + ":" + name);
if (!valid_port (port)) {
PBD::error << _("PulseBackend::set_port_name: Invalid Port(s)") << endmsg;
return -1;
}
if (find_port (newname)) {
PBD::error << _("PulseBackend::set_port_name: Port with given name already exists") << endmsg;
return -1;
}
PulsePort* p = static_cast<PulsePort*> (port);
_portmap.erase (p->name ());
_portmap.insert (make_pair (newname, p));
return p->set_name (newname);
}
std::string
PulseAudioBackend::get_port_name (PortEngine::PortHandle port) const
{
if (!valid_port (port)) {
PBD::error << _("PulseBackend::get_port_name: Invalid Port(s)") << endmsg;
return std::string ();
}
return static_cast<PulsePort*> (port)->name ();
}
PortFlags
PulseAudioBackend::get_port_flags (PortEngine::PortHandle port) const
{
if (!valid_port (port)) {
PBD::error << _("PulseBackend::get_port_flags: Invalid Port(s)") << endmsg;
return PortFlags (0);
}
return static_cast<PulsePort*> (port)->flags ();
}
int
PulseAudioBackend::get_port_property (PortHandle port, const std::string& key, std::string& value, std::string& type) const
{
if (!valid_port (port)) {
PBD::warning << _("PulseBackend::get_port_property: Invalid Port(s)") << endmsg;
return -1;
}
if (key == "http://jackaudio.org/metadata/pretty-name") {
type = "";
value = static_cast<PulsePort*> (port)->pretty_name ();
if (!value.empty ()) {
return 0;
}
}
return -1;
}
int
PulseAudioBackend::set_port_property (PortHandle port, const std::string& key, const std::string& value, const std::string& type)
{
if (!valid_port (port)) {
PBD::warning << _("PulseBackend::set_port_property: Invalid Port(s)") << endmsg;
return -1;
}
if (key == "http://jackaudio.org/metadata/pretty-name" && type.empty ()) {
static_cast<PulsePort*> (port)->set_pretty_name (value);
return 0;
}
return -1;
}
PortEngine::PortHandle
PulseAudioBackend::get_port_by_name (const std::string& name) const
{
PortHandle port = (PortHandle)find_port (name);
return port;
}
int
PulseAudioBackend::get_ports (
const std::string& port_name_pattern,
DataType type, PortFlags flags,
std::vector<std::string>& port_names) const
{
int rv = 0;
regex_t port_regex;
bool use_regexp = false;
if (port_name_pattern.size () > 0) {
if (!regcomp (&port_regex, port_name_pattern.c_str (), REG_EXTENDED | REG_NOSUB)) {
use_regexp = true;
}
}
for (PortIndex::const_iterator i = _ports.begin (); i != _ports.end (); ++i) {
PulsePort* port = *i;
if ((port->type () == type) && flags == (port->flags () & flags)) {
if (!use_regexp || !regexec (&port_regex, port->name ().c_str (), 0, NULL, 0)) {
port_names.push_back (port->name ());
++rv;
}
}
}
if (use_regexp) {
regfree (&port_regex);
}
return rv;
}
DataType
PulseAudioBackend::port_data_type (PortEngine::PortHandle port) const
{
if (!valid_port (port)) {
return DataType::NIL;
}
return static_cast<PulsePort*> (port)->type ();
}
PortEngine::PortHandle
PulseAudioBackend::register_port (
const std::string& name,
ARDOUR::DataType type,
ARDOUR::PortFlags flags)
{
if (name.size () == 0) {
return 0;
}
if (flags & IsPhysical) {
return 0;
}
return add_port (_instance_name + ":" + name, type, flags);
}
PortEngine::PortHandle
PulseAudioBackend::add_port (
const std::string& name,
ARDOUR::DataType type,
ARDOUR::PortFlags flags)
{
assert (name.size ());
if (find_port (name)) {
PBD::error << _("PulseBackend::register_port: Port already exists:")
<< " (" << name << ")" << endmsg;
return 0;
}
PulsePort* port = NULL;
switch (type) {
case DataType::AUDIO:
port = new PulseAudioPort (*this, name, flags);
break;
case DataType::MIDI:
port = new PulseMidiPort (*this, name, flags);
break;
default:
PBD::error << _("PulseBackend::register_port: Invalid Data Type.") << endmsg;
return 0;
}
_ports.insert (port);
_portmap.insert (make_pair (name, port));
return port;
}
void
PulseAudioBackend::unregister_port (PortEngine::PortHandle port_handle)
{
if (!_run) {
return;
}
PulsePort* port = static_cast<PulsePort*> (port_handle);
PortIndex::iterator i = std::find (_ports.begin (), _ports.end (), static_cast<PulsePort*> (port_handle));
if (i == _ports.end ()) {
PBD::error << _("PulseBackend::unregister_port: Failed to find port") << endmsg;
return;
}
disconnect_all (port_handle);
_portmap.erase (port->name ());
_ports.erase (i);
delete port;
}
int int
PulseAudioBackend::register_system_ports () PulseAudioBackend::register_system_ports ()
{ {
@ -1025,159 +833,41 @@ PulseAudioBackend::register_system_ports ()
if (!p) if (!p)
return -1; return -1;
set_latency_range (p, true, lr); set_latency_range (p, true, lr);
PulsePort* ap = static_cast<PulsePort*> (p); BackendPort* ap = static_cast<BackendPort*> (p);
//ap->set_pretty_name ("") //ap->set_pretty_name ("")
_system_outputs.push_back (ap); _system_outputs.push_back (ap);
} }
return 0; return 0;
} }
void
PulseAudioBackend::unregister_ports (bool system_only)
{
_system_outputs.clear ();
for (PortIndex::iterator i = _ports.begin (); i != _ports.end ();) {
PortIndex::iterator cur = i++;
PulsePort* port = *cur;
if (!system_only || (port->is_physical () && port->is_terminal ())) {
port->disconnect_all ();
_portmap.erase (port->name ());
delete port;
_ports.erase (cur);
}
}
}
void void
PulseAudioBackend::update_system_port_latecies () PulseAudioBackend::update_system_port_latecies ()
{ {
for (std::vector<PulsePort*>::const_iterator it = _system_outputs.begin (); it != _system_outputs.end (); ++it) { for (std::vector<BackendPort*>::const_iterator it = _system_outputs.begin (); it != _system_outputs.end (); ++it) {
(*it)->update_connected_latency (false); (*it)->update_connected_latency (false);
} }
} }
int BackendPort*
PulseAudioBackend::connect (const std::string& src, const std::string& dst) PulseAudioBackend::port_factory (std::string const & name, ARDOUR::DataType type, ARDOUR::PortFlags flags)
{ {
PulsePort* src_port = find_port (src); BackendPort* port = 0;
PulsePort* dst_port = find_port (dst);
if (!src_port) { switch (type) {
PBD::error << _("PulseBackend::connect: Invalid Source port:") case DataType::AUDIO:
<< " (" << src << ")" << endmsg; port = new PulseAudioPort (*this, name, flags);
return -1; break;
case DataType::MIDI:
port = new PulseMidiPort (*this, name, flags);
break;
default:
PBD::error << string_compose (_("%1::register_port: Invalid Data Type."), _instance_name) << endmsg;
return 0;
} }
if (!dst_port) {
PBD::error << _("PulseBackend::connect: Invalid Destination port:") return port;
<< " (" << dst << ")" << endmsg;
return -1;
}
return src_port->connect (dst_port);
} }
int
PulseAudioBackend::disconnect (const std::string& src, const std::string& dst)
{
PulsePort* src_port = find_port (src);
PulsePort* dst_port = find_port (dst);
if (!src_port || !dst_port) {
PBD::error << _("PulseBackend::disconnect: Invalid Port(s)") << endmsg;
return -1;
}
return src_port->disconnect (dst_port);
}
int
PulseAudioBackend::connect (PortEngine::PortHandle src, const std::string& dst)
{
PulsePort* dst_port = find_port (dst);
if (!valid_port (src)) {
PBD::error << _("PulseBackend::connect: Invalid Source Port Handle") << endmsg;
return -1;
}
if (!dst_port) {
PBD::error << _("PulseBackend::connect: Invalid Destination Port")
<< " (" << dst << ")" << endmsg;
return -1;
}
return static_cast<PulsePort*> (src)->connect (dst_port);
}
int
PulseAudioBackend::disconnect (PortEngine::PortHandle src, const std::string& dst)
{
PulsePort* dst_port = find_port (dst);
if (!valid_port (src) || !dst_port) {
PBD::error << _("PulseBackend::disconnect: Invalid Port(s)") << endmsg;
return -1;
}
return static_cast<PulsePort*> (src)->disconnect (dst_port);
}
int
PulseAudioBackend::disconnect_all (PortEngine::PortHandle port)
{
if (!valid_port (port)) {
PBD::error << _("PulseBackend::disconnect_all: Invalid Port") << endmsg;
return -1;
}
static_cast<PulsePort*> (port)->disconnect_all ();
return 0;
}
bool
PulseAudioBackend::connected (PortEngine::PortHandle port, bool /* process_callback_safe*/)
{
if (!valid_port (port)) {
PBD::error << _("PulseBackend::disconnect_all: Invalid Port") << endmsg;
return false;
}
return static_cast<PulsePort*> (port)->is_connected ();
}
bool
PulseAudioBackend::connected_to (PortEngine::PortHandle src, const std::string& dst, bool /*process_callback_safe*/)
{
PulsePort* dst_port = find_port (dst);
#ifndef NDEBUG
if (!valid_port (src) || !dst_port) {
PBD::error << _("PulseBackend::connected_to: Invalid Port") << endmsg;
return false;
}
#endif
return static_cast<PulsePort*> (src)->is_connected (dst_port);
}
bool
PulseAudioBackend::physically_connected (PortEngine::PortHandle port, bool /*process_callback_safe*/)
{
if (!valid_port (port)) {
PBD::error << _("PulseBackend::physically_connected: Invalid Port") << endmsg;
return false;
}
return static_cast<PulsePort*> (port)->is_physically_connected ();
}
int
PulseAudioBackend::get_connections (PortEngine::PortHandle port, std::vector<std::string>& names, bool /*process_callback_safe*/)
{
if (!valid_port (port)) {
PBD::error << _("PulseBackend::get_connections: Invalid Port") << endmsg;
return -1;
}
assert (0 == names.size ());
const std::set<PulsePort*>& connected_ports = static_cast<PulsePort*> (port)->get_connections ();
for (std::set<PulsePort*>::const_iterator i = connected_ports.begin (); i != connected_ports.end (); ++i) {
names.push_back ((*i)->name ());
}
return (int)names.size ();
}
/* MIDI */ /* MIDI */
int int
@ -1261,7 +951,7 @@ PulseAudioBackend::set_latency_range (PortEngine::PortHandle port, bool for_play
if (!valid_port (port)) { if (!valid_port (port)) {
PBD::error << _("PulsePort::set_latency_range (): invalid port.") << endmsg; PBD::error << _("PulsePort::set_latency_range (): invalid port.") << endmsg;
} }
static_cast<PulsePort*> (port)->set_latency_range (latency_range, for_playback); static_cast<BackendPort*> (port)->set_latency_range (latency_range, for_playback);
} }
LatencyRange LatencyRange
@ -1274,7 +964,7 @@ PulseAudioBackend::get_latency_range (PortEngine::PortHandle port, bool for_play
r.max = 0; r.max = 0;
return r; return r;
} }
PulsePort* p = static_cast<PulsePort*> (port); BackendPort* p = static_cast<BackendPort*> (port);
assert (p); assert (p);
r = p->latency_range (for_playback); r = p->latency_range (for_playback);
@ -1291,93 +981,6 @@ PulseAudioBackend::get_latency_range (PortEngine::PortHandle port, bool for_play
return r; return r;
} }
/* Discovering physical ports */
bool
PulseAudioBackend::port_is_physical (PortEngine::PortHandle port) const
{
if (!valid_port (port)) {
PBD::error << _("PulsePort::port_is_physical (): invalid port.") << endmsg;
return false;
}
return static_cast<PulsePort*> (port)->is_physical ();
}
void
PulseAudioBackend::get_physical_outputs (DataType type, std::vector<std::string>& port_names)
{
for (PortIndex::iterator i = _ports.begin (); i != _ports.end (); ++i) {
PulsePort* port = *i;
if ((port->type () == type) && port->is_input () && port->is_physical ()) {
port_names.push_back (port->name ());
}
}
}
void
PulseAudioBackend::get_physical_inputs (DataType type, std::vector<std::string>& port_names)
{
for (PortIndex::iterator i = _ports.begin (); i != _ports.end (); ++i) {
PulsePort* port = *i;
if ((port->type () == type) && port->is_output () && port->is_physical ()) {
port_names.push_back (port->name ());
}
}
assert (port_names.size () == 0);
}
ChanCount
PulseAudioBackend::n_physical_outputs () const
{
int n_midi = 0;
int n_audio = 0;
for (PortIndex::const_iterator i = _ports.begin (); i != _ports.end (); ++i) {
PulsePort* port = *i;
if (port->is_output () && port->is_physical ()) {
switch (port->type ()) {
case DataType::AUDIO:
++n_audio;
break;
case DataType::MIDI:
++n_midi;
break;
default:
break;
}
}
}
ChanCount cc;
cc.set (DataType::AUDIO, n_audio);
cc.set (DataType::MIDI, n_midi);
return cc;
}
ChanCount
PulseAudioBackend::n_physical_inputs () const
{
int n_midi = 0;
int n_audio = 0;
for (PortIndex::const_iterator i = _ports.begin (); i != _ports.end (); ++i) {
PulsePort* port = *i;
if (port->is_input () && port->is_physical ()) {
switch (port->type ()) {
case DataType::AUDIO:
++n_audio;
break;
case DataType::MIDI:
++n_midi;
break;
default:
break;
}
}
}
ChanCount cc;
cc.set (DataType::AUDIO, n_audio);
cc.set (DataType::MIDI, n_midi);
return cc;
}
/* Getting access to the data buffer for a port */ /* Getting access to the data buffer for a port */
void* void*
@ -1385,7 +988,7 @@ PulseAudioBackend::get_buffer (PortEngine::PortHandle port, pframes_t nframes)
{ {
assert (port); assert (port);
assert (valid_port (port)); assert (valid_port (port));
return static_cast<PulsePort*> (port)->get_buffer (nframes); return static_cast<BackendPort*> (port)->get_buffer (nframes);
} }
/* Engine Process */ /* Engine Process */
@ -1470,7 +1073,7 @@ PulseAudioBackend::main_process_thread ()
assert (_system_outputs.size () == N_CHANNELS); assert (_system_outputs.size () == N_CHANNELS);
/* interleave */ /* interleave */
for (std::vector<PulsePort *>::const_iterator it = _system_outputs.begin (); it != _system_outputs.end (); ++it, ++i) { for (std::vector<BackendPort *>::const_iterator it = _system_outputs.begin (); it != _system_outputs.end (); ++it, ++i) {
const float* src = (const float*)(*it)->get_buffer (_samples_per_period); const float* src = (const float*)(*it)->get_buffer (_samples_per_period);
for (size_t n = 0; n < _samples_per_period; ++n) { for (size_t n = 0; n < _samples_per_period; ++n) {
buf[N_CHANNELS * n + i] = src[n]; buf[N_CHANNELS * n + i] = src[n];
@ -1599,178 +1202,28 @@ descriptor ()
return &_descriptor; return &_descriptor;
} }
/******************************************************************************/
PulsePort::PulsePort (PulseAudioBackend& b, const std::string& name, PortFlags flags)
: _pulse_backend (b)
, _name (name)
, _flags (flags)
{
_capture_latency_range.min = 0;
_capture_latency_range.max = 0;
_playback_latency_range.min = 0;
_playback_latency_range.max = 0;
_pulse_backend.port_connect_add_remove_callback (); // XXX -> RT
}
PulsePort::~PulsePort ()
{
disconnect_all ();
_pulse_backend.port_connect_add_remove_callback (); // XXX -> RT
}
int
PulsePort::connect (PulsePort* port)
{
if (!port) {
PBD::error << _("PulsePort::connect (): invalid (null) port") << endmsg;
return -1;
}
if (type () != port->type ()) {
PBD::error << _("PulsePort::connect (): wrong port-type") << endmsg;
return -1;
}
if (is_output () && port->is_output ()) {
PBD::error << _("PulsePort::connect (): cannot inter-connect output ports.") << endmsg;
return -1;
}
if (is_input () && port->is_input ()) {
PBD::error << _("PulsePort::connect (): cannot inter-connect input ports.") << endmsg;
return -1;
}
if (this == port) {
PBD::error << _("PulsePort::connect (): cannot self-connect ports.") << endmsg;
return -1;
}
if (is_connected (port)) {
return -1;
}
_connect (port, true);
return 0;
}
void
PulsePort::_connect (PulsePort* port, bool callback)
{
_connections.insert (port);
if (callback) {
port->_connect (this, false);
_pulse_backend.port_connect_callback (name (), port->name (), true);
}
}
int
PulsePort::disconnect (PulsePort* port)
{
if (!port) {
PBD::error << _("PulsePort::disconnect (): invalid (null) port") << endmsg;
return -1;
}
if (!is_connected (port)) {
PBD::error << _("PulsePort::disconnect (): ports are not connected:")
<< " (" << name () << ") -> (" << port->name () << ")"
<< endmsg;
return -1;
}
_disconnect (port, true);
return 0;
}
void
PulsePort::_disconnect (PulsePort* port, bool callback)
{
std::set<PulsePort*>::iterator it = _connections.find (port);
assert (it != _connections.end ());
_connections.erase (it);
if (callback) {
port->_disconnect (this, false);
_pulse_backend.port_connect_callback (name (), port->name (), false);
}
}
void
PulsePort::disconnect_all ()
{
while (!_connections.empty ()) {
std::set<PulsePort*>::iterator it = _connections.begin ();
(*it)->_disconnect (this, false);
_pulse_backend.port_connect_callback (name (), (*it)->name (), false);
_connections.erase (it);
}
}
bool
PulsePort::is_connected (const PulsePort* port) const
{
return _connections.find (const_cast<PulsePort*> (port)) != _connections.end ();
}
bool
PulsePort::is_physically_connected () const
{
for (std::set<PulsePort*>::const_iterator it = _connections.begin (); it != _connections.end (); ++it) {
if ((*it)->is_physical ()) {
return true;
}
}
return false;
}
void
PulsePort::set_latency_range (const LatencyRange& latency_range, bool for_playback)
{
if (for_playback) {
_playback_latency_range = latency_range;
} else {
_capture_latency_range = latency_range;
}
for (std::set<PulsePort*>::const_iterator it = _connections.begin (); it != _connections.end (); ++it) {
if ((*it)->is_physical ()) {
(*it)->update_connected_latency (is_input ());
}
}
}
void
PulsePort::update_connected_latency (bool for_playback)
{
LatencyRange lr;
lr.min = lr.max = 0;
for (std::set<PulsePort*>::const_iterator it = _connections.begin (); it != _connections.end (); ++it) {
LatencyRange l;
l = (*it)->latency_range (for_playback);
lr.min = std::max (lr.min, l.min);
lr.max = std::max (lr.max, l.max);
}
set_latency_range (lr, for_playback);
}
/******************************************************************************/ /******************************************************************************/
PulseAudioPort::PulseAudioPort (PulseAudioBackend& b, const std::string& name, PortFlags flags) PulseAudioPort::PulseAudioPort (PulseAudioBackend& b, const std::string& name, PortFlags flags)
: PulsePort (b, name, flags) : BackendPort (b, name, flags)
{ {
memset (_buffer, 0, sizeof (_buffer)); memset (_buffer, 0, sizeof (_buffer));
mlock (_buffer, sizeof (_buffer)); mlock (_buffer, sizeof (_buffer));
_backend.port_connect_add_remove_callback (); // XXX -> RT
} }
PulseAudioPort::~PulseAudioPort () PulseAudioPort::~PulseAudioPort ()
{ {
_backend.port_connect_add_remove_callback (); // XXX -> RT
} }
void* void*
PulseAudioPort::get_buffer (pframes_t n_samples) PulseAudioPort::get_buffer (pframes_t n_samples)
{ {
if (is_input ()) { if (is_input ()) {
const std::set<PulsePort*>& connections = get_connections (); const std::set<BackendPort*>& connections = get_connections ();
std::set<PulsePort*>::const_iterator it = connections.begin (); std::set<BackendPort*>::const_iterator it = connections.begin ();
if (it == connections.end ()) { if (it == connections.end ()) {
memset (_buffer, 0, n_samples * sizeof (Sample)); memset (_buffer, 0, n_samples * sizeof (Sample));
} else { } else {
@ -1792,14 +1245,16 @@ PulseAudioPort::get_buffer (pframes_t n_samples)
} }
PulseMidiPort::PulseMidiPort (PulseAudioBackend& b, const std::string& name, PortFlags flags) PulseMidiPort::PulseMidiPort (PulseAudioBackend& b, const std::string& name, PortFlags flags)
: PulsePort (b, name, flags) : BackendPort (b, name, flags)
{ {
_buffer.clear (); _buffer.clear ();
_buffer.reserve (256); _buffer.reserve (256);
_backend.port_connect_add_remove_callback (); // XXX -> RT
} }
PulseMidiPort::~PulseMidiPort () PulseMidiPort::~PulseMidiPort ()
{ {
_backend.port_connect_add_remove_callback (); // XXX -> RT
} }
struct MidiEventSorter { struct MidiEventSorter {
@ -1814,8 +1269,8 @@ void* PulseMidiPort::get_buffer (pframes_t /*n_samples*/)
{ {
if (is_input ()) { if (is_input ()) {
_buffer.clear (); _buffer.clear ();
const std::set<PulsePort*>& connections = get_connections (); const std::set<BackendPort*>& connections = get_connections ();
for (std::set<PulsePort*>::const_iterator i = connections.begin (); for (std::set<BackendPort*>::const_iterator i = connections.begin ();
i != connections.end (); i != connections.end ();
++i) { ++i) {
const PulseMidiBuffer* src = static_cast<PulseMidiPort*> (*i)->const_buffer (); const PulseMidiBuffer* src = static_cast<PulseMidiPort*> (*i)->const_buffer ();

160
libs/backends/pulseaudio/pulseaudio_backend.h
View file

@ -31,9 +31,11 @@
#include <boost/shared_ptr.hpp> #include <boost/shared_ptr.hpp>
#include "pbd/natsort.h"
#include "ardour/audio_backend.h" #include "ardour/audio_backend.h"
#include "ardour/dsp_load_calculator.h" #include "ardour/dsp_load_calculator.h"
#include "pbd/natsort.h" #include "ardour/port_engine_shared.h"
#define MaxPulseMidiEventSize (256) #define MaxPulseMidiEventSize (256)
@ -61,67 +63,8 @@ private:
typedef std::vector<boost::shared_ptr<PulseMidiEvent> > PulseMidiBuffer; typedef std::vector<boost::shared_ptr<PulseMidiEvent> > PulseMidiBuffer;
class PulsePort
{
protected:
PulsePort (PulseAudioBackend& b, const std::string&, PortFlags);
public: class PulseAudioPort : public BackendPort
virtual ~PulsePort ();
const std::string& name () const { return _name; }
const std::string& pretty_name () const { return _pretty_name; }
PortFlags flags () const { return _flags; }
int set_name (const std::string& name) { _name = name; return 0; }
int set_pretty_name (const std::string& name) { _pretty_name = name; return 0; }
virtual DataType type () const = 0;
virtual void* get_buffer (pframes_t nframes) = 0;
bool is_input () const { return flags () & IsInput; }
bool is_output () const { return flags () & IsOutput; }
bool is_physical () const { return flags () & IsPhysical; }
bool is_terminal () const { return flags () & IsTerminal; }
bool is_connected () const { return _connections.size () != 0; }
bool is_connected (const PulsePort* port) const;
bool is_physically_connected () const;
int connect (PulsePort* port);
int disconnect (PulsePort* port);
void disconnect_all ();
const std::set<PulsePort*>&
get_connections () const
{
return _connections;
}
const LatencyRange
latency_range (bool for_playback) const
{
return for_playback ? _playback_latency_range : _capture_latency_range;
}
void set_latency_range (const LatencyRange& latency_range, bool for_playback);
void update_connected_latency (bool for_playback);
private:
PulseAudioBackend& _pulse_backend;
std::string _name;
std::string _pretty_name;
const PortFlags _flags;
LatencyRange _capture_latency_range;
LatencyRange _playback_latency_range;
std::set<PulsePort*> _connections;
void _connect (PulsePort*, bool);
void _disconnect (PulsePort*, bool);
}; // class PulsePort
class PulseAudioPort : public PulsePort
{ {
public: public:
PulseAudioPort (PulseAudioBackend& b, const std::string&, PortFlags); PulseAudioPort (PulseAudioBackend& b, const std::string&, PortFlags);
@ -137,7 +80,7 @@ private:
Sample _buffer[8192]; Sample _buffer[8192];
}; // class PulseAudioPort }; // class PulseAudioPort
class PulseMidiPort : public PulsePort class PulseMidiPort : public BackendPort
{ {
public: public:
PulseMidiPort (PulseAudioBackend& b, const std::string&, PortFlags); PulseMidiPort (PulseAudioBackend& b, const std::string&, PortFlags);
@ -152,7 +95,7 @@ private:
PulseMidiBuffer _buffer; PulseMidiBuffer _buffer;
}; // class PulseMidiPort }; // class PulseMidiPort
class PulseAudioBackend : public AudioBackend class PulseAudioBackend : public AudioBackend, public PortEngineSharedImpl
{ {
friend class PulsePort; friend class PulsePort;
@ -241,32 +184,33 @@ public:
void* private_handle () const; void* private_handle () const;
const std::string& my_name () const; const std::string& my_name () const;
uint32_t port_name_size () const; /* PortEngine API - forwarded to PortEngineSharedImpl */
int set_port_name (PortHandle, const std::string&);
std::string get_port_name (PortHandle) const;
PortFlags get_port_flags (PortHandle) const;
PortHandle get_port_by_name (const std::string&) const;
int get_port_property (PortHandle, const std::string& key, std::string& value, std::string& type) const; bool port_is_physical (PortEngine::PortHandle ph) const { return PortEngineSharedImpl::port_is_physical (ph); }
int set_port_property (PortHandle, const std::string& key, const std::string& value, const std::string& type); void get_physical_outputs (DataType type, std::vector<std::string>& results) { PortEngineSharedImpl::get_physical_outputs (type, results); }
void get_physical_inputs (DataType type, std::vector<std::string>& results) { PortEngineSharedImpl::get_physical_inputs (type, results); }
int get_ports (const std::string& port_name_pattern, DataType type, PortFlags flags, std::vector<std::string>&) const; ChanCount n_physical_outputs () const { return PortEngineSharedImpl::n_physical_outputs (); }
ChanCount n_physical_inputs () const { return PortEngineSharedImpl::n_physical_inputs (); }
DataType port_data_type (PortHandle) const; uint32_t port_name_size () const { return PortEngineSharedImpl::port_name_size(); }
int set_port_name (PortEngine::PortHandle ph, const std::string& name) { return PortEngineSharedImpl::set_port_name (ph, name); }
PortHandle register_port (const std::string& shortname, ARDOUR::DataType, ARDOUR::PortFlags); std::string get_port_name (PortEngine::PortHandle ph) const { return PortEngineSharedImpl::get_port_name (ph); }
void unregister_port (PortHandle); PortFlags get_port_flags (PortEngine::PortHandle ph) const { return PortEngineSharedImpl::get_port_flags (ph); }
PortEngine::PortHandle get_port_by_name (std::string const & name) const { return PortEngineSharedImpl::get_port_by_name (name); }
int connect (const std::string& src, const std::string& dst); int get_port_property (PortEngine::PortHandle ph, const std::string& key, std::string& value, std::string& type) const { return PortEngineSharedImpl::get_port_property (ph, key, value, type); }
int disconnect (const std::string& src, const std::string& dst); int set_port_property (PortEngine::PortHandle ph, const std::string& key, const std::string& value, const std::string& type) { return PortEngineSharedImpl::set_port_property (ph, key, value, type); }
int connect (PortHandle, const std::string&); int get_ports (const std::string& port_name_pattern, DataType type, PortFlags flags, std::vector<std::string>& results) const { return PortEngineSharedImpl::get_ports (port_name_pattern, type, flags, results); }
int disconnect (PortHandle, const std::string&); DataType port_data_type (PortEngine::PortHandle ph) const { return PortEngineSharedImpl::port_data_type (ph); }
int disconnect_all (PortHandle); PortEngine::PortHandle register_port (const std::string& shortname, ARDOUR::DataType type, ARDOUR::PortFlags flags) { return PortEngineSharedImpl::register_port (shortname, type, flags); }
void unregister_port (PortHandle ph) { if (!_run) return; PortEngineSharedImpl::unregister_port (ph); }
bool connected (PortHandle, bool process_callback_safe); int connect (const std::string& src, const std::string& dst) { return PortEngineSharedImpl::connect (src, dst); }
bool connected_to (PortHandle, const std::string&, bool process_callback_safe); int disconnect (const std::string& src, const std::string& dst) { return PortEngineSharedImpl::disconnect (src, dst); }
bool physically_connected (PortHandle, bool process_callback_safe); int connect (PortEngine::PortHandle ph, const std::string& other) { return PortEngineSharedImpl::connect (ph, other); }
int get_connections (PortHandle, std::vector<std::string>&, bool process_callback_safe); int disconnect (PortEngine::PortHandle ph, const std::string& other) { return PortEngineSharedImpl::disconnect (ph, other); }
int disconnect_all (PortEngine::PortHandle ph) { return PortEngineSharedImpl::disconnect_all (ph); }
bool connected (PortEngine::PortHandle ph, bool process_callback_safe) { return PortEngineSharedImpl::connected (ph, process_callback_safe); }
bool connected_to (PortEngine::PortHandle ph, const std::string& other, bool process_callback_safe) { return PortEngineSharedImpl::connected_to (ph, other, process_callback_safe); }
bool physically_connected (PortEngine::PortHandle ph, bool process_callback_safe) { return PortEngineSharedImpl::physically_connected (ph, process_callback_safe); }
int get_connections (PortEngine::PortHandle ph, std::vector<std::string>& results, bool process_callback_safe) { return PortEngineSharedImpl::get_connections (ph, results, process_callback_safe); }
/* MIDI */ /* MIDI */
int midi_event_get (pframes_t& timestamp, size_t& size, uint8_t const** buf, void* port_buffer, uint32_t event_index); int midi_event_get (pframes_t& timestamp, size_t& size, uint8_t const** buf, void* port_buffer, uint32_t event_index);
@ -286,14 +230,6 @@ public:
void set_latency_range (PortHandle, bool for_playback, LatencyRange); void set_latency_range (PortHandle, bool for_playback, LatencyRange);
LatencyRange get_latency_range (PortHandle, bool for_playback); LatencyRange get_latency_range (PortHandle, bool for_playback);
/* Discovering physical ports */
bool port_is_physical (PortHandle) const;
void get_physical_outputs (DataType type, std::vector<std::string>&);
void get_physical_inputs (DataType type, std::vector<std::string>&);
ChanCount n_physical_outputs () const;
ChanCount n_physical_inputs () const;
/* Getting access to the data buffer for a port */ /* Getting access to the data buffer for a port */
void* get_buffer (PortHandle, pframes_t); void* get_buffer (PortHandle, pframes_t);
@ -356,25 +292,10 @@ private:
}; };
/* port engine */ /* port engine */
PortHandle add_port (const std::string& shortname, ARDOUR::DataType, ARDOUR::PortFlags); BackendPort* port_factory (std::string const & name, ARDOUR::DataType dt, ARDOUR::PortFlags flags);
int register_system_ports (); int register_system_ports ();
void unregister_ports (bool system_only = false);
void update_system_port_latecies (); void update_system_port_latecies ();
std::vector<PulsePort*> _system_outputs;
struct SortByPortName {
bool operator() (const PulsePort* lhs, const PulsePort* rhs) const
{
return PBD::naturally_less (lhs->name ().c_str (), rhs->name ().c_str ());
}
};
typedef std::map<std::string, PulsePort*> PortMap; // fast lookup in _ports
typedef std::set<PulsePort*, SortByPortName> PortIndex; // fast lookup in _ports
PortMap _portmap;
PortIndex _ports;
struct PortConnectData { struct PortConnectData {
std::string a; std::string a;
std::string b; std::string b;
@ -404,21 +325,6 @@ private:
pthread_mutex_unlock (&_port_callback_mutex); pthread_mutex_unlock (&_port_callback_mutex);
} }
bool
valid_port (PortHandle port) const
{
return std::find (_ports.begin (), _ports.end (), static_cast<PulsePort*> (port)) != _ports.end ();
}
PulsePort*
find_port (const std::string& port_name) const
{
PortMap::const_iterator it = _portmap.find (port_name);
if (it == _portmap.end ()) {
return NULL;
}
return (*it).second;
}
}; // class PulseAudioBackend }; // class PulseAudioBackend
} // namespace } // namespace